Explicitly set EXITFUNC to thread

Author: dougsko

modules/exploits/windows/ftp/sami_ftpd_list.rb

@@ -32,6 +32,10 @@ def initialize(info = {})
 					[ 'EDB', '24557'],
 				],
 			'Privileged'	 => false,
+			'DefaultOptions' =>
+					{
+							'EXITFUNC' => 'thread',
+					},
 			'Payload'		 =>
 				{
 					'Space'    => 955,